{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{3}{c}}
\hline\hline
                    &\multicolumn{1}{c}{Corp. Aaa\( ^\dag\)}&\multicolumn{1}{c}{Corp. Baa\( ^\dag\)}&\multicolumn{1}{c}{Corp. C\( ^\dag\)}\\
\hline
D_shock             &        1.19***&        1.05***&       -0.18   \\
                    &      (0.23)   &      (0.22)   &      (0.56)   \\
\hline
Obs.                &        1039   &        1039   &         973   \\
F-stat              &        82.1   &        82.1   &        68.0   \\
Sample              &   1995-2017   &   1995-2017   &   1997-2017   \\
\hline\hline
\end{tabular}
}
